package servlets;

import java.io.IOException;
import java.util.Hashtable;
import java.util.List;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import ejbSessions.ManagerAbilitaRemote;
import EJBPackage.Abilita;

/**
 * Servlet implementation class AbilitaAmministratore
 */
public class AbilitaAmministratore extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public AbilitaAmministratore() {
        super();
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		gestisciRichiesta(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		gestisciRichiesta(request, response);
	}
	
	private void gestisciRichiesta(HttpServletRequest request, HttpServletResponse response){
		RequestDispatcher dispatcher = request.getRequestDispatcher("/Amministratore/AbilitaAmministratore.jsp");
		boolean redirect = false;
		try{
			Hashtable<String,String> env = new Hashtable<String,String>();
			env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
			env.put(Context.PROVIDER_URL,"localhost:1099");
			InitialContext jndiContext = new InitialContext(env);
			Object ref = jndiContext.lookup("ManagerAbilita/remote");
			ManagerAbilitaRemote manager = (ManagerAbilitaRemote)ref;
			if(request.getSession().getAttribute("amministratore")!=null){
				List<Abilita> tutteAbilita = manager.getTutteAbilita();
				request.getSession().setAttribute("abilita",tutteAbilita);
			}else{
				redirect = true;
				response.sendRedirect("./");
			}
			
			
			
		}catch(Exception e){
			try {
				redirect = true;
				response.sendRedirect("./");
			} catch (IOException e1) {
				e1.printStackTrace();
			}
		}
		
		
		try {
			if(!redirect){
				dispatcher.forward(request, response);
			}
		} catch (ServletException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}